Light pollution

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There are serious consequences from excessive, increasing light pollution in this country — disrupting both humans and animals

Sir, The shocking light pollution demonstrated in the satellite images (“Man
said, ‘Let there be light’,” July 9) comes as no surprise to
those of us who have long campaigned to tackle this problem in the UK. CPRE
mapped UK light pollution with satellite data between 1993 and 2000 and
found that it increased by 26 per cent in England, 19 per cent in Wales, 17
per cent in Scotland and a staggering 50 per cent in Northern Ireland.

It is encouraging that more recently local authorities have been running
street-light dimming or switch-off trials, and installing lighting that
should